/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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/*
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* linux/include/linux/nfs_fs.h
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*
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* Copyright (C) 1992 Rick Sladkey
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*
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* OS-specific nfs filesystem definitions and declarations
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*/
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#ifndef _UAPI_LINUX_NFS_FS_H
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#define _UAPI_LINUX_NFS_FS_H
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#include <linux/magic.h>
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/* Default timeout values */
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#define NFS_DEF_UDP_TIMEO (11)
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#define NFS_DEF_UDP_RETRANS (3)
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#define NFS_DEF_TCP_TIMEO (600)
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#define NFS_DEF_TCP_RETRANS (2)
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#define NFS_MAX_UDP_TIMEOUT (60*HZ)
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#define NFS_MAX_TCP_TIMEOUT (600*HZ)
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#define NFS_DEF_ACREGMIN (3)
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#define NFS_DEF_ACREGMAX (60)
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#define NFS_DEF_ACDIRMIN (30)
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#define NFS_DEF_ACDIRMAX (60)
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/*
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* When flushing a cluster of dirty pages, there can be different
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* strategies:
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*/
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#define FLUSH_SYNC 1 /* file being synced, or contention */
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#define FLUSH_STABLE 4 /* commit to stable storage */
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#define FLUSH_LOWPRI 8 /* low priority background flush */
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#define FLUSH_HIGHPRI 16 /* high priority memory reclaim flush */
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#define FLUSH_COND_STABLE 32 /* conditional stable write - only stable
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* if everything fits in one RPC */
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/*
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* NFS debug flags
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*/
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#define NFSDBG_VFS 0x0001
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#define NFSDBG_DIRCACHE 0x0002
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#define NFSDBG_LOOKUPCACHE 0x0004
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#define NFSDBG_PAGECACHE 0x0008
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#define NFSDBG_PROC 0x0010
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#define NFSDBG_XDR 0x0020
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#define NFSDBG_FILE 0x0040
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#define NFSDBG_ROOT 0x0080
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#define NFSDBG_CALLBACK 0x0100
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#define NFSDBG_CLIENT 0x0200
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#define NFSDBG_MOUNT 0x0400
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#define NFSDBG_FSCACHE 0x0800
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#define NFSDBG_PNFS 0x1000
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#define NFSDBG_PNFS_LD 0x2000
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#define NFSDBG_STATE 0x4000
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#define NFSDBG_XATTRCACHE 0x8000
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#define NFSDBG_ALL 0xFFFF
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#endif /* _UAPI_LINUX_NFS_FS_H */
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